If you have an iPhone 6s, there are a few things you can do to keep it running smoothly and looking great. One is to update it to the latest iOS version. This will fix any issues that may have arisen since its release, as well as add new features and improvements. To update your iPhone 6s, follow these steps:

  1. Open the Settings app and navigate to General → Software Update. This will open a screen that will list all of the available updates for your device. Tap on one of them, and then select Install from this source.
  2. Once the update has been installed, open up your iPhone 6s and check for any new updates that have been released. If there are any, you’ll need to install them in order for them to take effect. Once they’re installed, your iPhone 6s should be updated to the latest iOS version!